content: /*
   * Copyright 2016-2020 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package hu.akarnokd.rxjava3.interop;
  
  /**
   * Convert a V3 Completable into a V1 Completable, composing cancellation.
   */
  final class CompletableV3ToCompletableV1 implements rx.Completable.OnSubscribe {
  
      final io.reactivex.rxjava3.core.CompletableSource source;
  
      CompletableV3ToCompletableV1(io.reactivex.rxjava3.core.CompletableSource source) {
          this.source = source;
      }
  
      @Override
      public void call(rx.CompletableSubscriber observer) {
          source.subscribe(new SourceCompletableSubscriber(observer));
      }
  
      static final class SourceCompletableSubscriber
      implements io.reactivex.rxjava3.core.CompletableObserver, rx.Subscription {
  
          final rx.CompletableSubscriber observer;
  
          io.reactivex.rxjava3.disposables.Disposable d;
  
          SourceCompletableSubscriber(rx.CompletableSubscriber observer) {
              this.observer = observer;
          }
  
          @Override
          public void onSubscribe(io.reactivex.rxjava3.disposables.Disposable d) {
              this.d = d;
              observer.onSubscribe(this);
          }
  
          @Override
          public void onComplete() {
              observer.onCompleted();
          }
  
          @Override
          public void onError(Throwable error) {
              observer.onError(error);
          }
  
          @Override
          public void unsubscribe() {
              d.dispose();
          }
  
          @Override
          public boolean isUnsubscribed() {
              return d.isDisposed();
          }
      }
  }
  